package com.qf.service;

/**
 * @author sunyamei
 * @version V1.0
 * @Project javase2203
 * @Package com.qf.service
 * @Description:
 * @Date 2022/8/17 11:41
 */
public interface UserAService {

    /**
     * a账户扣款
     * @return
     */
    public Integer decrA();

}
